After the oAuth pop up window, how do I retrieve the oAuth verifier? Nico Nagel November 06, 2017 17:47 Follow On success, the oAuth verifier is returned via postmessage Related articles What is the lifespan of the userToken and userId? I receive a invalid symbol error when I try to trade How do I capture the oAuthVerifier? What is the lifespan of the session token? Can we embed the OAuth pop-up window in an iFrame? Comments 0 comments Please sign in to leave a comment.